Answer: Common issues with photoelectric conversion modules include signal distortion, low sensitivity, and impedance mismatch. The photoelectric sensor does not turn on, does not switch or performs false detections. With the help of special accessories you can get the most out of your sensor and automation! Want to. The Through-Beam photoelectric sensor is now ready to test. Adjust the sensor if needed and tighten. The solar charger is unresponsive (inactive) if the display is not illuminated, there is no charging activity, and it is not communicating with the VictronConnect app via Bluetooth or the VE. Whether you're an experienced engineer.